Air fryer



FIG. 1 is a perspective view of an air fryer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings depict portion of the air fryer that forms no part of the claimed design. 

CLAIM The ornamental design for an air fryer, as shown and described. 